Cleaning brush



FIG. 1 is a front, right, and top perspective view of a cleaning brush,showing my design.

FIG. 2 is a rear, left, and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the drawings are included for the purpose ofillustrating portions of the cleaning brush that form no part of theclaimed design.

CLAIM The ornamental design for a cleaning brush, as shown anddescribed.